Projection screen



FIG. 1 is a front perspective view of a projection screen showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right hand view thereof;

FIG. 5 is a left hand view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a rear view thereof. 

The ornamental design for a projection screen, as shown and described. 